Maxillofacial Plastic and Reconstructive Surgery

Table 1 For detect differences of survival rate, success rate, marginal bone loss, and stability between the maxilla and the mandible

From: Retrospective clinical study of ultrawide implants more than 6 mm in diameter

	Maxilla			Mandible			P value
	N	Mean	SD	N	Mean	SD	Sig. (two-tailed)
Survival rate	24	95.83 %	0.20	33	100 %	0.00	NS
Success rate	24	91.67 %	0.28	34	97.06 %	0.17	NS
Primary stability	24	67.42	8.87	34	77.06	8.58	+++
Secondary stability	21	71.52	8.11	26	82.29	6.48	+++
Marginal bone loss
12 months	23	0.04	0.14	31	0.00	0.00	NS
24 months	17	0.11	0.36	25	0.00	0.01	NS
Marginal bone loss	24	8.33 %	0.28	34	2.94 %	0.17	NS

NS nonsignificant
⁺⁺⁺Independent-samples t test is significant at the 0.005 level (two-tailed)

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